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2040103231 = 8324579557
BaseRepresentation
bin111100110011001…
…1000000100111111
312021011210222111221
41321212120010333
513134231300411
6534234254211
7101361406555
oct17146300477
95234728457
102040103231
11957648831
1248b287367
13266878b9a
14154d37bd5
15be185071
hex7999813f

2040103231 has 4 divisors (see below), whose sum is σ = 2064682872. Its totient is φ = 2015523592.

The previous prime is 2040103213. The next prime is 2040103249. The reversal of 2040103231 is 1323010402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2040103213) and next prime (2040103249).

It is a cyclic number.

It is not a de Polignac number, because 2040103231 - 225 = 2006548799 is a prime.

It is a super-2 number, since 2×20401032312 = 8324042386273278722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040103201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12289696 + ... + 12289861.

It is an arithmetic number, because the mean of its divisors is an integer number (516170718).

Almost surely, 22040103231 is an apocalyptic number.

2040103231 is a deficient number, since it is larger than the sum of its proper divisors (24579641).

2040103231 is an equidigital number, since it uses as much as digits as its factorization.

2040103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24579640.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2040103231 is about 45167.5019344661. The cubic root of 2040103231 is about 1268.2865335722.

Adding to 2040103231 its reverse (1323010402), we get a palindrome (3363113633).

The spelling of 2040103231 in words is "two billion, forty million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 83 24579557 2040103231